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// fn percent_of_string_char_v1(string: &str, character: &char) -> u32 {
// let mut sum: u32 = 0;
// let mut string_length: u32 = 0;
// for c in string.chars() {
// string_length += 1;
// if c == *character {
// sum += 1;
// }
// }
// ((sum as f64 / string_length as f64) * 100.0).round() as u32
// }
fn percent_of_string_char_v2(string: &str, character: &char) -> usize {
let match_count = string.chars().filter(|c| c == character).count();
let string_length = string.chars().count();
let mc_100 = 100 * match_count;
let (div, remainder) = (mc_100 / string_length, mc_100 % string_length);
if remainder * 2 >= string_length {
div + 1
} else {
div
}
}
fn main() {
let tests = vec![
("perl", 'e'),
("java", 'a'),
("python", 'm'),
("ada", 'a'),
("ada", 'd'),
("ballerina", 'l'),
("analitik", 'k'),
("rust", 'r'),
];
for val in tests.iter() {
let (string, character) = val;
let percent = percent_of_string_char_v2(string, &character);
println!("{string} :: {character} => {percent}");
}
}
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